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Notes: Screen Control FBT --- H.V. CBA FBT= Fly Back Transformer Use the Remote Control Unit 1. Degauss the CRT and allow CRT to operate for 20 minutes before starting the alignment. 2. Input the Black raster signal from EXT. input. 3. Enter the Service mode. (See page 1-8-1.) 4. Press the "VOL p" button. (Press "VOL p" then display will change CUT OFF/ DRIVE, 7Fh adjustment and DVD-KEY). 5. Choose CUT OFF/DRIVE mode then press "1" button. This adjustment mode is CUT OFF (R). 6. Increase the screen control so that the horizontal line just appears on the CRT. 7. Press the "CH o / p" button until the horizontal line becomes white. 8. Choose CUT OFF/DRIVE mode then press "2" button. This adjustment mode is CUT OFF (G). Press "CH o / p" until the horizontal line becomes white. 9. Choose CUT OFF/DRIVE mode then press "3" button. This adjustment mode is CUT OFF (B). Press "CH o / p" until the horizontal line becomes white. 10.Choose CUT OFF/DRIVE mode then press "4" button. 11.Input the White Raster Signal from Video In. 12.Adjust the RED DRIVE as needed with the CH o / p buttons to get the following value, X= 286, Y= 294. 13.Choose CUT OFF/DRIVE mode then press "5." Adjust the BLUE DRIVE as needed with the CH o / p buttons to get the following value, X= 286, Y= 294. 14.Turn the power off and on again.
8. Sub-Brightness Adjustment
Purpose: To get proper brightness. Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained by adjusting the Brightness Control. Test point --Tape --Adj. Point CH o / p buttons M. EQ. Pattern Generator Figure Mode --Input SMPTE 7.5IRE Spec. See below
White
Black This bar just visible
Fig. 4 Note: SMPTE Setup level --- 7.5 IRE 1. Enter the Service Mode. (See page 1-8-1.) Then input SMPTE signal from RF input. 2. Press PICTURE button. (Press PICTURE button then display will change BRT, CNT, COL, TNT, and V-T). Select BRT and press CH o / p buttons so that the bar is just visible (See above figure). 3. Turn the power off and on again.
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TD851EA
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